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Gas leak detectors, analyzers, alarm devices and calibration gas
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(SAM) CAGE Code: 4W5M0

Why ?

  • provides a wide range of industrial gas detection systems including toxic, oxygen and combustibles, truly "state of the art" devices offering unparalleled features and capabilities along with Hazardous Area, Explosion Proof, UL, Atex and CSA certifications at a reasonable price. We also offer gas detection solutions with PLC & SCADA.

  • Our Broad spectrum of skills, experience and hands-on approach ensures the success of Your project
  • We provide specialized products, services or turnkey projects, to suit your needs in
    • Fixed gas detectors.
    • Portable gas detectors.
    • Multi-Point gas controllers.
    • Calibration Gases.
    • Alarm Signal Devices.
    • Installation and commissioning.
    • PLC-based gas detection solutions.
    • Data acquisition and SCADA.

Houston, TX USA

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$1,622.29     Availability: 4 Weeks
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Honeywell XNX Universal Gas Detector Transmitter for monitoring Hydrogen Fluoride (HF) 0-12.0ppm compatible with all Honeywell gas sensing technologies with aluminum housing. 3-wire 4-20mA HART loop, option for Modbus, Foundation H1 Fieldbus, local Hart and relay outputs UL Certified Class 1, Div 1 Groups A, B, C, D / ATEX Zone 1


Part# with Options:        XNXUTAENNNNN-XNXXSF1SS
Price with Options:        1,622.29


Agency Approval & Port Threads
(1) Honeywell XNX Transmitters
(2) Honeywell XNX Transmitters
Interface option
(3) Honeywell XNX Transmitters Output Option
Local HART Port
(4) Honeywell XNX Transmitters
Custom Tag
(5) SSTAG Stainless Steel Custom Tag for Honeywell Gas Detectors

  Availability 4 Weeks  ]

The XNX Universal Transmitter marks a new turn in gas detection from Honeywell Analytics. It supports the widest range of sensors on a common platform and offers a modular choice of inputs and outputs.


High performance
  • Flammable gas detection 0 to 100% LFL/LEL
  • Point IR with heated optics provides immunity to poisoning and no hidden faults
  • Open-path IR flammable gas detection in LEL-m measurement
  • Electrochemical cell offers toxic gas detection in ppm
  • IR cell provides CO2 and combustible gas monitoring
  • Robust and reliable operation in explosive areas and harsh environments
Flexible Operation
  • 3 versions - supports mV (Catalytic Bead and IR Cell), Electrochemical Cell and IR (point and open-path) gas detection
  • Multi-Purpose Detector (MPD) with field serviceable mV, Catalytic bead and IR Cell capability
  • 4-20mA with HART® as standard
  • Multiple communications options include up to 3 relays, MODBUS® and FOUNDATION® H1 Fieldbus (pending)
  • Optional local IS port for handheld HART configurator
Easy to Use
  • Large, backlit, easy-to-view LCD display offers multisensory indicators (visual icons, colored buttons, text, etc.) to display gas and sensor readings
  • User interface supported by 8 selectable languages (English, Spanish, German, Italian, Portuguese, French, Russian, Chinese)
  • Self-test and fault indication features
  • Non-intrusive, one-man operation
  • Quick calibration with auto-inhibit
Easy to Install
  • 3 or 4 wire operation, source, sink or isolated
  • Use with conduit or cable installations
  • Simple plug-in sensors and replaceable cells
  • NEMA 4X IP66 rated for rugged indoor/outdoor use
Cost Effective
  • Minimal training required
  • One-man operation
  • Plug-in sensor replacement
  • All necessary accessories included
  • Offshore Oil & Gas production platforms
  • Onshore Oil terminals
  • Refineries
  • Gas Transmission
  • Gas Distribution
  • LNG terminals
  • Gas storage terminals
  • Chemical plants
  • Petrochemical plants
  • Solvent recovery operations

XNX is designed for flexible integration, simple installation, user friendly operation and straightforward maintenance. It is ideal for use with a range of gas monitoring controllers or industry standard PLCs. Users are assured of being protected in all conditions with Honeywell Analytics gas monitoring solutions.

Bringing together the best solutions in gas detection

  • Proven electrochemical sensing technology
  • Surecell™ electrochemical cells are ideal for hot and humid environments
  • Long life sensing cells (typical >2 years)
  • Patented 'Reflex' sensing element verification diagnostics
  • Sensor recognition software auto configures transmitter
  • Plug and play factory configured sensors
  • Intrinsically safe sensor connection permits hot swap, reducing down time
XNX Surecell Electrochemical sensors

XNX's modular design enables Honeywell Analytics to offer appropriate, cost effective solutions to a wide range of gas detection requirements.

With the XNX, you are freed from the need to add extra controllers, junction boxes, relays, monitors and other equipment accessories.

The XNX Universal Transmitter is an excellent choice for those who want a total integrated monitoring and safety solution for an industrial plant.

The XNX's powerful advanced communications module adds increased functionality and flexibility to a gas detection network. Standard HART communications, along with optional Modbus, Foundation Fieldbus (pending) or relays, interface with a PLC and a host of other protocol compatible devices found in industrial applications.

XNX Output Options

Back-lit, easy-to-read LCD display with icons includes a broad range of language options including English, Spanish, French, Italian, Portuguese, German, Russian and Chinese to meet global requirements.

Ordering Information

The XNX part numbering system contains all necessary information to convey the product configuration including options. Agency, Port Thread, Enclosure Material, Sensor Personality define the standard unit. Three option fields are used to define optional Relay or Fieldbus interfaces and factory installed local HART®. To order XNX parts, call 800-538-0363.

XNX Order Information Matrix

XNX Transmitter
Material LM25 Aluminum, painted (SS316 painted optional)
Cable Entries 5 conduits/cable entries – (2 right, 2 left, 1 bottom) Available in ¾" NPT, or M25
Termination Cage Clamp pluggable Terminal Blocks with retaining screws, 0.5 to 2.5mm (12-28 AWG)
Mounting XNX Enclosure Bracket (ears on casting for u-bolt). Integral cast mounting flanges provide secure mounting to surfaces, channels or up to 6" Pipe.
Optional Remote sensor (up to 50 ft / 15.2 M) for Cat Bead and Toxic
User interface Standard Custom Backlit LCD. 2.5" High Resolution DOT Matrix Display. Discrete Alarm and Status indication. Reliable Non-Intrusive 4 button interface magnetic wand access. Optional HART Handheld with IS Port
Signal Standard HART over 3-wire 4-20mA (sink or source). Optional Modbus over RS-485 and Foundation Fieldbus
Temperature -40°C to +65°C / -40°F to +149°F (sensor dependent)
Humidity 20 to 90% RH non-condensing
IP Rating NEMA 4X IP65
  Form C and SPDT 3 Relays, 240 VAC, 5A (2 Alarm, 1 Fault) (Mutually exclusive with Modbus and Fieldbus Options)
  18V to 32V (24V nominal)
Hazardous Area Approvals
Performance Approvals UL Certified Class 1, Div 1
ATEX Zone 1
Display Module & User Interface (Standard)
Display Type Backlit LCD
Information Displayed
Base Information: Gas Reading
Gas Name and Units of measurement
Fault and Alarm Status
Large Numeric concentration or LEL display
Bar graph showing current reading, set points and full scale.
Fault/Alarm and Operating Status Indication: Security settings allow multi level operator access for set-up, configuration and calibration
Event history stores Time and Date of all Alarm, Diagnostic, Configuration events
Interface Magnetic wand with terminal screwdriver (supplied each unit)
4-20mA & HART (Standard Supply)
Description Fully configurable isolated 4-20mA & HART output module providing current sink, current source and isolated modes of operation. (supports HART 6.0 protocol)
Non-intrusive Interface Optional local IS port to enable HOT connection of a HART handheld configurator
Operating Modes Current sink / Current source / Isolated current sink /Conventional or with HART data
Output Range 0 to 22mA
4-20mA Signal Accuracy +/- 1% FS
Max loop resistance 600 Ohms at 24Vdc loop supply
Functions Supported via HART
Gas Reading Detailed Sensor Information Including: RTC (Excel Only)
Gas Name and Units of measurement 4-20mA signal level Optical Signal Level Calibration and Configuration status
General/Device Information Dynamic Reserve (Excel Only) Detailed Fault and Warning Information
Installation Raw reading Fault and Alarm History
Configuration Temperature
Forcing of 4-20mA output
Local IS HART Port (Optional)
Description Provides externally accessible IS connections to the XNX transmitter to enable HOT connection of HC275/375 HART or equivalent hand held configurator.
Installation Fitted to one of the cable entries on the XNX transmitter.
Environmental Protection Terminals protected by cover to IP 66 when not in use
Relay Module (Optional)
Description Provides three fully user configurable relay outputs that can be switched based on the current gas level and/or status of the transmitter. Provides 2 x SPCO alarm and 1 x SPCO fault relays. Single Pole Double Throw SPDT. Option PCB Factory installed in display module.
Installation Fitted into housing base either at the factory or in the field by qualified service engineer.
Maximum: 240VAC, 5A (non inductive load) Minimum: 5V, 10mA (non inductive load)
Electrical Connections Fault: Common, Normally Open, Normally Closed
Alarm 1: Common, Normally Open, Normally Closed
Alarm 2: Common, Normally Open, Normally Closed
Default Configurable Options
Fault Relay: Fault Relay:
Normally energized Normally energized / normally de-energized
Non latching None
Signal inhibit as fault Enable/disable
Alarm 1 / 2 Relays: A1 / A2 Relays:
Normally de-energized Normally energized / de-energized
Non latching Latching / non latching
Alarm rising on gas reading Alarm on rising / falling
Alarm level 20% and 40% of scale Alarm level 10% to 90% of full scale
Hysteresis of 2% of scale
Re-setting of Latched Relays Easily accessible interface on display (if used) or via HART interface (local or remote)
Note Use of the Relay Module or 'Other' Communications Module (E.g. Foundation Fieldbus) is mutually exclusive. However, relay function may be used in conjunction with standard communication output i.e. 4-20mA with HART.
Relay Specific Functions via HART Interface Relay status information / Reset of latched conditions / Configuration of relays Forcing of relay state
Reset through non intrusive User Interface. Remote Switch closure using Remote Reset input Remotely through HART
Foundation Fieldbus Module (Optional)
Description Foundation Fieldbus compliant digital communications interface enables connection of the XNX transmitter to a multi-drop Foundation Fieldbus H1 network.
Installation Fitted into housing base either at the factory or in the field by qualified service engineer.
Connections Sig+, Sig- and Screen
Physical Layer Conforms to IEC 1158-2 and ISA 50.02, 31.25Kbits/s
Maximum No. of Nodes 32
Functions Supported
Gas Reading Detailed Sensor Information Including: Detailed Fault and Warning Information:
Gas Name and Units of measurement Optical Signal Level Fault and Alarm History
Instrument status (OK, warning, fault, over-range) Dynamic Reserve (Excel Only) Zero Calibration
Remote zero and span calibration (detector dependent) 24V supply voltage
Remote zero and span calibration (detector dependent) Temperature
  RTC (Excel Only)
  Calibration and Configuration status
Modbus RTU Module (Optional)
Description The Modbus output module provides an Isolated RS485 output to enable the connection of the XNX transmitter to a multi-drop Modbus network
Installation Fitted into housing base either at the factory or in the field by qualified service engineer.
Connections RS485+, RS485-, Drain
Physical Layer Isolated RS485, 1200 to 19.2K Baud
Maximum No. of Nodes 254 XNX compatible transmitters only
Protocol Modbus RTU
Functions Supported As per Foundation Fieldbus Module (Optional) - see above

    XNXXSF1SS Replacement Sensor Assembly for Hydrogen Fluoride (HF) XNX Transmitter. 0-12.0ppm ..

    HA20PY Honeywell HA20 Digital Gas Detection ALARM CONTROLLER, with 2 channels and LCD display of 128x64 pixels. Has configurable control, flexible application and an user-friendly operation. UL/CSA approved, Class I, Division 2 - NEMA 4X, painted steel or stainl..

    HA40PY Honeywell HA40 Digital Gas Detection ALARM CONTROLLER, with 4 channels and LCD display of 128x64 pixels. Has configurable control, flexible application and an user-friendly operation. UL/CSA approved, Class I, Division 2 - NEMA 4X, painted steel or stainl..

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TM-EC-48-18-02-0 (3393) GDS  TM-EC-48-18-02-0

GDS TRANSMAX EC Loop-Powered Gas Monitor with stainless steel sensor head and integrated sensor configured for Hydrogen Fluoride (HF) for range 0-5, 0-10 ppm. 2-wire 4-20mA current sink output and large LCD Display. Polycarbonate housing (IP66/IP67).




Honeywell Series 3000 MkII Gas Detector Transmitter, with aluminum housing (optional stainless steel) for monitoring HYDROGEN FLUORIDE (HF) with electrochemical sensor, 2-wire 4-20mA loop, 0-12.0ppm



TMII-48-18-02/00-00-00/0-0 (155) GDS  TMII-48-18-02/00-00-00/0-0

GDS TRANSMAX II Gas Detector with Local DELDRIN sensor head (non-XP) with integrated sensor configured for Hydrogen Fluoride (HF) for range 0-5, 0-10 ppm with optional Alarm Relay Board (3x 5A SPDT) and RS-485 Modbus RTU, 4-20mA output transmitter.



967-333390-010 (6092) DETCON  967-333390-010

Detcon DM-700-HF Electrochemical "Smart" Hydrogen Fluoride (HF) 0-10 ppm Sensor Assembly with LED display. 4-20mA and Modbus RS-485 outputs. 316 Stainless Steel Housing. Water Proof, Corrosion Proof, Vibration Proof and Explosion proof. NEMA 4X. IP66. Class I, Div. 1, Groups B, C, & D. CSA and ATEX approvals.



GM/EC-03-18-02 (130) GDS  GM/EC-03-18-02

GDS GASMAX/EC 2-Wire Gas Detector with local stainless steel sensor head (non-XP) configured for Hydrogen Fluoride (HF) with range 0-5 to 0-10 ppm, 4-20 mA output transmitter.



GMII-03-018-02/00-000-00/0-0 (142) GDS  GMII-03-018-02/00-000-00/0-0

GDS GASMAX II 3-Wire Gas Detector with local stainless steel sensor head (non-XP) configured for Hydrogen Fluoride (HF) with range 0-5 to 0-10 ppm, 4-20 mA output transmitter with optional Alarm Relay Board (3x 5A SPDT) and RS-485 Modbus RTU.



965-333380-010 (6107) DETCON  965-333380-010

Detcon DM-500-HF Electrochemical Hydrogen Flouride (HF) 0-10ppm Sensor Assembly with IS stainless steel and ABS plastic housing. Includes Backlit LCD and LED Indicators. 4-20mA output. Explosion proof. NEMA 4X. IP66. CSA and UL approvals for Class I, Div 1, Groups B, C & D.



5100-26-IT-A1-01-0-0 (3080) SIERRA MONITOR  5100-26-IT-A1-01-0-0

Sierra Monitor 5200-26-IT Toxic Gas Leak Detector for Hydrogen Fluoride (HF) 0-10ppm Electrochemical Sensor. ModBus RTU-485, 4-20mA output, HART interface and optional alarm relays, Explosion proof NEMA-4X Aluminium Enclosure. IP66. IP65. FM, SIL-2 and ATEX approved. Class I, Div. 1, Groups B, C, D.



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